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Finding the Fourth Proportional to 115,804.03, 158,350.30 and 115,804.03

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Solution

The fourth proportional to 115,804.03, 158,350.30 and 115,804.03 is: 158,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,804.03 : 158,350.30 = 115,804.03 : x
  2. Step 2: Convert to fraction form
    115,804.03/158,350.30 = 115,804.03/x
  3. Step 3: Cross multiply
    115,804.03x = 158,350.30 × 115,804.03
  4. Step 4: Simplify right side
    115,804.03x = 18,337,602,891.71
  5. Step 5: Solve for x
    x = 18,337,602,891.71/115,804.03
  6. Step 6: Final answer
    x = 158,350.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.